WO2021189840A1 - Procédé de construction et appareil de construction pour pieu d'enfoncement de tube à pression statique - Google Patents

Procédé de construction et appareil de construction pour pieu d'enfoncement de tube à pression statique Download PDF

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Publication number
WO2021189840A1
WO2021189840A1 PCT/CN2020/124398 CN2020124398W WO2021189840A1 WO 2021189840 A1 WO2021189840 A1 WO 2021189840A1 CN 2020124398 W CN2020124398 W CN 2020124398W WO 2021189840 A1 WO2021189840 A1 WO 2021189840A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
pile
tube
inner tube
soil
Prior art date
Application number
PCT/CN2020/124398
Other languages
English (en)
Chinese (zh)
Inventor
姚锋祥
包华
朱建新
金波
Original Assignee
姚锋祥
包华
朱建新
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 姚锋祥, 包华, 朱建新 filed Critical 姚锋祥
Publication of WO2021189840A1 publication Critical patent/WO2021189840A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/24—Prefabricated piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ

Definitions

  • the purpose of the present invention is to provide a construction method and construction equipment for the static pressure sinking pipe pile with simple method and good effect.
  • the construction method of the first pile is one of the following methods:
  • steps (2) and (3) punch, cut and stir the underground in-situ soil into a fine grain shape; at the same time, use at least one of air jet, water spray, grout, and sand blasting to mix with liquid Or solid curing agent, punching and cutting, spraying and stirring until the first pile meets the set requirements;
  • the first pile is a non-borrowing in-situ cement-soil pile, a pre-mixed cement-soil pile that takes all or part of the soil and then refills it into the ground; the first pile has expanded top, expanded diameter, expanded bottom, and full screw threads along the pile body One or more of the same diameter or variable diameter form among all straight lines, inter-threads and straight lines.
  • the bottom expansion method of the first pile is mechanical expansion or hydraulic expansion, which is formed by repeated spraying and stirring.
  • the second pile is a static pressure pile, and the pile body is a precast pile or a cast-in-place pile; the second pile body has one or more of expanded top, expanded diameter, expanded bottom, full thread, full straight line, inter-threaded and straight linekind of the same diameter or variable diameter form.
  • the bottom expansion method of the second pile is one or more forms of static pressure, internal ramming, internal ramming, and internal ramming.
  • the outer diameter of the inner tube is smaller than the inner diameter of the outer tube; the inner tube can be used as a force-transmitting rod as well as a power rod; Built-in internal rammer of a certain weight, the inner tube and the internal rammer form an internal rammer tube hammer; the internal rammer can be used as an empty tank for storing filling materials, and as a soil borrow chamber for taking the in-situ soil under the inner tube; During bottom construction, the filler is put into the cavity between the inner and outer pipes, the inner pipe cavity, the outer pipe and the inner pipe are pulled up, the inner rammer is raised, and the filler overflows from the discharge port.
  • a pile construction equipment includes a static pile driver and a sinking pipe system. It is characterized in that a stand is set on the chassis of the static pile press, and slide rails are provided on the left and right sides of the stand.
  • the drill pipe mixing power head is slidingly matched, and the slide rail on the other side is matched with the pipe fixing device when the pipe is immersed.
  • the chassis is equipped with hydraulic holding and pressing pile clamps for pipe holding operations
  • the stand is equipped with hydraulic holding and pressing pile clamps for holding pipe operations; Pipe and inner pipe hammer system.
  • the invention has convenient construction, good environmental protection performance, good construction quality and high cost performance.
  • Figure 1 is a schematic diagram of the structure of the construction equipment of the present invention.
  • Figure 3 is a schematic diagram of the structure of the stand.
  • the pressurized static pressure system includes a stand set on the chassis of the static pile driver, a set of hydraulic pressure pile clamps set on the chassis, and a set of hydraulic pressure pile clamps or hydraulic pressure pile clamps set on the stand.
  • the immersed pipe system includes a steel outer pipe with a set stiffness and an inner pipe hammer system with a set stiffness and strength;
  • the stand is a multifunctional stand: a stand for setting potential energy functions such as holding pressure, top pressure, mixing power head, electric hammer, diesel hammer, vibrating hammer, etc.
  • the stand is set on one side, two sides, three sides or four sides Matching function guide rail device.
  • the method of alternately pressurizing the outer tube and inner tube to sink the immersed tube system to a set depth includes at least one of the following methods:
  • the potential energy includes static pressure holding pressure, top pressure, back pressure, vibration, vibrating, rotating, shaking, internal ramming, internal ramming, spiral, down-the-hole impact, self-gravity potential energy, etc.
  • the first pile is a non-borrowing in-situ cement-soil pile, a pre-mixed cement-soil pile that takes all or part of the soil and then refills it into the ground; the first pile has expanded top, expanded diameter, expanded bottom, and full screw threads along the pile body One or more of the same diameter or variable diameter form among all straight lines, inter-threads and straight lines.
  • the bottom expansion method of the second pile is one or more forms of static pressure, internal ramming, internal ramming, and internal ramming.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

Procédé de construction et appareil de construction pour pieu d'enfoncement de tube à pression statique. Le procédé comprend une étape de positionnement et une étape d'enfoncement de tube. Un procédé d'enfoncement de tube comprend : le démarrage d'un système de pression statique de mise sous pression et d'un système d'enfoncement de tube d'un appareil de construction de pieu, la mise sous pression alternée d'un tube externe (5) et d'un tube interne (6), et l'enfoncement du système d'enfoncement de tube jusqu'à une profondeur définie. Le système de pression statique de mise sous pression comprend un cadre vertical (2) prévu sur un châssis de machine à pieu à pression statique (1), un groupe de dispositifs de préhension de pieu de retenue hydraulique (3) prévus sur le châssis (1), et un groupe de dispositifs de préhension de pieu de retenue hydraulique (4) prévus sur le cadre vertical (2). Le système d'enfoncement de tube comprend le tube externe en acier (5) présentant une rigidité et une résistance définies, le tube interne (6) possédant une rigidité et une résistance définies, et un système de marteau à tuyau interne.
PCT/CN2020/124398 2020-10-26 2020-10-28 Procédé de construction et appareil de construction pour pieu d'enfoncement de tube à pression statique WO2021189840A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011151805.8 2020-10-26
CN202011151805.8A CN112227349A (zh) 2020-10-26 2020-10-26 劲扩桩的施工方法

Publications (1)

Publication Number Publication Date
WO2021189840A1 true WO2021189840A1 (fr) 2021-09-30

Family

ID=74110021

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/124398 WO2021189840A1 (fr) 2020-10-26 2020-10-28 Procédé de construction et appareil de construction pour pieu d'enfoncement de tube à pression statique

Country Status (2)

Country Link
CN (1) CN112227349A (fr)
WO (1) WO2021189840A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114000493A (zh) * 2021-11-17 2022-02-01 民航机场建设集团西南设计研究院有限公司 一种强夯置换地基处理方法及装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102644269A (zh) * 2012-05-04 2012-08-22 朱建新 非取土复合桩及其施工方法
CN102733376A (zh) * 2012-07-02 2012-10-17 朱建新 复合桩及其施工方法
CN103821138A (zh) * 2012-07-02 2014-05-28 朱建新 复合桩的施工方法
JP5988458B1 (ja) * 2015-03-24 2016-09-07 三和地下工事株式会社 地盤改良工法及び装置
CN106049465A (zh) * 2016-06-06 2016-10-26 朱建新 一种桩的施工方法
CN108118698A (zh) * 2018-01-19 2018-06-05 朱建新 桩的施工方法及专用静压桩机
CN207812448U (zh) * 2018-01-19 2018-09-04 朱建新 静压组合桩机
CN109853565A (zh) * 2019-04-08 2019-06-07 王磊 沉管桩的施工方法
CN112240022A (zh) * 2020-10-26 2021-01-19 姚锋祥 一种静压沉管桩的施工方法及施工设备

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102644269A (zh) * 2012-05-04 2012-08-22 朱建新 非取土复合桩及其施工方法
CN102733376A (zh) * 2012-07-02 2012-10-17 朱建新 复合桩及其施工方法
CN103821138A (zh) * 2012-07-02 2014-05-28 朱建新 复合桩的施工方法
JP5988458B1 (ja) * 2015-03-24 2016-09-07 三和地下工事株式会社 地盤改良工法及び装置
CN106049465A (zh) * 2016-06-06 2016-10-26 朱建新 一种桩的施工方法
CN108118698A (zh) * 2018-01-19 2018-06-05 朱建新 桩的施工方法及专用静压桩机
CN207812448U (zh) * 2018-01-19 2018-09-04 朱建新 静压组合桩机
CN109853565A (zh) * 2019-04-08 2019-06-07 王磊 沉管桩的施工方法
CN112240022A (zh) * 2020-10-26 2021-01-19 姚锋祥 一种静压沉管桩的施工方法及施工设备

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114000493A (zh) * 2021-11-17 2022-02-01 民航机场建设集团西南设计研究院有限公司 一种强夯置换地基处理方法及装置

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